mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-05 18:40:27 +00:00
stm32-f4discovery-usb: enable audio support
This commit is contained in:
Matthias Ringwald
parent
3e8c83ac75
commit
f763b8ceaf
@ -52,8 +52,8 @@
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/* #define HAL_SRAM_MODULE_ENABLED */
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/* #define HAL_SDRAM_MODULE_ENABLED */
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/* #define HAL_HASH_MODULE_ENABLED */
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/* #define HAL_I2C_MODULE_ENABLED */
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/* #define HAL_I2S_MODULE_ENABLED */
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#define HAL_I2C_MODULE_ENABLED
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#define HAL_I2S_MODULE_ENABLED
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/* #define HAL_IWDG_MODULE_ENABLED */
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/* #define HAL_LTDC_MODULE_ENABLED */
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/* #define HAL_RNG_MODULE_ENABLED */
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@ -61,7 +61,7 @@
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/* #define HAL_SAI_MODULE_ENABLED */
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/* #define HAL_SD_MODULE_ENABLED */
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/* #define HAL_MMC_MODULE_ENABLED */
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/* #define HAL_SPI_MODULE_ENABLED */
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#define HAL_SPI_MODULE_ENABLED
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/* #define HAL_TIM_MODULE_ENABLED */
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/* #define HAL_UART_MODULE_ENABLED */
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/* #define HAL_USART_MODULE_ENABLED */
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@ -149,7 +149,12 @@ ${BTSTACK_ROOT}/3rd-party/lwip/core/src/apps/http/httpd.c \
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${BTSTACK_ROOT}/3rd-party/lwip/dhcp-server/dhserver.c \
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${BTSTACK_ROOT}/platform/lwip/port/sys_arch.c \
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${BTSTACK_ROOT}/platform/lwip/bnep_lwip.c \
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bsp/audio.c \
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bsp/cs43l22.c \
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bsp/stm32f4_discovery.c \
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bsp/stm32f4_discovery_audio.c \
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port/port.c \
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port/hal_audio_f4discovery.c \
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port/usbh_bluetooth.c \
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port/hci_transport_h2_stm32.c \
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port/hal_flash_bank_stm32.c \
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@ -171,13 +176,19 @@ Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_spi.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_hcd.c \
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Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c \
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Src/system_stm32f4xx.c \
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Middlewares/ST/STM32_USB_Host_Library/Core/Src/usbh_core.c \
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Middlewares/ST/STM32_USB_Host_Library/Core/Src/usbh_ctlreq.c \
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Middlewares/ST/STM32_USB_Host_Library/Core/Src/usbh_ioreq.c \
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@ -218,7 +229,7 @@ CPU = -mcpu=cortex-m4
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FPU = -mfpu=fpv4-sp-d16
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# float-abi
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FLOAT-ABI = -mfloat-abi=hard
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FLOAT-ABI = -mfloat-abi=softfp
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# mcu
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MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
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@ -292,9 +303,8 @@ CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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# link script
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LDSCRIPT = STM32F407VGTx_FLASH.ld
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# libraries
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LIBS = -lc -lm -lnosys
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LIBDIR =
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LIBS = -lPDMFilter_CM4_GCC -lc -lm -lnosys
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LIBDIR = -Lpdm
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LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
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# default action: build all
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27
port/stm32-f4discovery-usb/bsp/audio.c
Normal file
27
port/stm32-f4discovery-usb/bsp/audio.c
Normal file
@ -0,0 +1,27 @@
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#include "stm32f4_discovery_audio.h"
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// support for I2S/I2C CS43L22 codec is provided by bsp/stm32f4_discovery_audio.c and not by STM32CubeMX
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// we need to provide the missing IRQ handler somewhere
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extern I2S_HandleTypeDef hAudioOutI2s;
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extern I2S_HandleTypeDef hAudioInI2s;
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/**
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* @brief This function handles main I2S interrupt.
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* @param None
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* @retval 0 if correct communication, else wrong communication
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*/
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void DMA1_Stream7_IRQHandler(void)
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{
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HAL_DMA_IRQHandler(hAudioOutI2s.hdmatx);
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}
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/**
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* @brief This function handles main I2S interrupt.
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* @param None
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* @retval 0 if correct communication, else wrong communication
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*/
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void DMA1_Stream3_IRQHandler(void)
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{
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HAL_DMA_IRQHandler(hAudioInI2s.hdmarx);
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}
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122
port/stm32-f4discovery-usb/bsp/audio.h
Normal file
122
port/stm32-f4discovery-usb/bsp/audio.h
Normal file
@ -0,0 +1,122 @@
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/**
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******************************************************************************
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* @file audio.h
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* @author MCD Application Team
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* @version V4.0.1
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* @date 21-July-2015
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* @brief This header file contains the common defines and functions prototypes
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* for the Audio driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __AUDIO_H
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#define __AUDIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include <stdint.h>
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Components
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* @{
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*/
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/** @addtogroup AUDIO
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* @{
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*/
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/** @defgroup AUDIO_Exported_Constants
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* @{
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*/
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/* Codec audio Standards */
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#define CODEC_STANDARD 0x04
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#define I2S_STANDARD I2S_STANDARD_PHILIPS
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/**
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* @}
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*/
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/** @defgroup AUDIO_Exported_Types
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* @{
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*/
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/** @defgroup AUDIO_Driver_structure Audio Driver structure
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* @{
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*/
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typedef struct
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{
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uint32_t (*Init)(uint16_t, uint16_t, uint8_t, uint32_t);
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void (*DeInit)(void);
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uint32_t (*ReadID)(uint16_t);
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uint32_t (*Play)(uint16_t, uint16_t*, uint16_t);
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uint32_t (*Pause)(uint16_t);
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uint32_t (*Resume)(uint16_t);
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uint32_t (*Stop)(uint16_t, uint32_t);
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uint32_t (*SetFrequency)(uint16_t, uint32_t);
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uint32_t (*SetVolume)(uint16_t, uint8_t);
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uint32_t (*SetMute)(uint16_t, uint32_t);
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uint32_t (*SetOutputMode)(uint16_t, uint8_t);
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uint32_t (*Reset)(uint16_t);
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}AUDIO_DrvTypeDef;
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __AUDIO_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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494
port/stm32-f4discovery-usb/bsp/cs43l22.c
Normal file
494
port/stm32-f4discovery-usb/bsp/cs43l22.c
Normal file
@ -0,0 +1,494 @@
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/**
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******************************************************************************
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* @file cs43l22.c
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* @author MCD Application Team
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* @version V2.0.2
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* @date 06-October-2015
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* @brief This file provides the CS43L22 Audio Codec driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "cs43l22.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Components
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* @{
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*/
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/** @addtogroup CS43L22
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* @brief This file provides a set of functions needed to drive the
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* CS43L22 audio codec.
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* @{
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*/
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/** @defgroup CS43L22_Private_Types
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup CS43L22_Private_Defines
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* @{
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*/
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#define VOLUME_CONVERT(Volume) (((Volume) > 100)? 100:((uint8_t)(((Volume) * 255) / 100)))
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/* Uncomment this line to enable verifying data sent to codec after each write
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operation (for debug purpose) */
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#if !defined (VERIFY_WRITTENDATA)
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/* #define VERIFY_WRITTENDATA */
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#endif /* VERIFY_WRITTENDATA */
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/**
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* @}
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*/
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/** @defgroup CS43L22_Private_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup CS43L22_Private_Variables
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* @{
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*/
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/* Audio codec driver structure initialization */
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AUDIO_DrvTypeDef cs43l22_drv =
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{
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cs43l22_Init,
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cs43l22_DeInit,
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cs43l22_ReadID,
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cs43l22_Play,
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cs43l22_Pause,
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cs43l22_Resume,
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cs43l22_Stop,
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cs43l22_SetFrequency,
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cs43l22_SetVolume,
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cs43l22_SetMute,
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cs43l22_SetOutputMode,
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cs43l22_Reset,
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};
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static uint8_t Is_cs43l22_Stop = 1;
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volatile uint8_t OutputDev = 0;
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/**
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* @}
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*/
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/** @defgroup CS43L22_Function_Prototypes
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* @{
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*/
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static uint8_t CODEC_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
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/**
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* @}
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*/
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/** @defgroup CS43L22_Private_Functions
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* @{
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*/
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/**
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* @brief Initializes the audio codec and the control interface.
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* @param DeviceAddr: Device address on communication Bus.
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* @param OutputDevice: can be OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE,
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* OUTPUT_DEVICE_BOTH or OUTPUT_DEVICE_AUTO .
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* @param Volume: Initial volume level (from 0 (Mute) to 100 (Max))
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* @retval 0 if correct communication, else wrong communication
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*/
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uint32_t cs43l22_Init(uint16_t DeviceAddr, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq)
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{
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uint32_t counter = 0;
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/* Initialize the Control interface of the Audio Codec */
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AUDIO_IO_Init();
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/* Keep Codec powered OFF */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x01);
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/*Save Output device for mute ON/OFF procedure*/
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switch (OutputDevice)
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{
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case OUTPUT_DEVICE_SPEAKER:
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OutputDev = 0xFA;
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break;
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case OUTPUT_DEVICE_HEADPHONE:
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OutputDev = 0xAF;
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break;
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case OUTPUT_DEVICE_BOTH:
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OutputDev = 0xAA;
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break;
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case OUTPUT_DEVICE_AUTO:
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OutputDev = 0x05;
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break;
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default:
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OutputDev = 0x05;
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break;
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}
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, OutputDev);
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/* Clock configuration: Auto detection */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_CLOCKING_CTL, 0x81);
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/* Set the Slave Mode and the audio Standard */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_INTERFACE_CTL1, CODEC_STANDARD);
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/* Set the Master volume */
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counter += cs43l22_SetVolume(DeviceAddr, Volume);
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/* If the Speaker is enabled, set the Mono mode and volume attenuation level */
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if(OutputDevice != OUTPUT_DEVICE_HEADPHONE)
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{
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/* Set the Speaker Mono mode */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_PLAYBACK_CTL2, 0x06);
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/* Set the Speaker attenuation level */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_SPEAKER_A_VOL, 0x00);
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_SPEAKER_B_VOL, 0x00);
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}
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/* Additional configuration for the CODEC. These configurations are done to reduce
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the time needed for the Codec to power off. If these configurations are removed,
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then a long delay should be added between powering off the Codec and switching
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off the I2S peripheral MCLK clock (which is the operating clock for Codec).
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If this delay is not inserted, then the codec will not shut down properly and
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it results in high noise after shut down. */
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/* Disable the analog soft ramp */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_ANALOG_ZC_SR_SETT, 0x00);
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/* Disable the digital soft ramp */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MISC_CTL, 0x04);
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/* Disable the limiter attack level */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_LIMIT_CTL1, 0x00);
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/* Adjust Bass and Treble levels */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_TONE_CTL, 0x0F);
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/* Adjust PCM volume level */
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_PCMA_VOL, 0x0A);
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counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_PCMB_VOL, 0x0A);
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/* Return communication control value */
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return counter;
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}
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||||
|
||||
/**
|
||||
* @brief Deinitializes the audio codec.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void cs43l22_DeInit(void)
|
||||
{
|
||||
/* Deinitialize Audio Codec interface */
|
||||
AUDIO_IO_DeInit();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get the CS43L22 ID.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @retval The CS43L22 ID
|
||||
*/
|
||||
uint32_t cs43l22_ReadID(uint16_t DeviceAddr)
|
||||
{
|
||||
uint8_t Value;
|
||||
/* Initialize the Control interface of the Audio Codec */
|
||||
AUDIO_IO_Init();
|
||||
|
||||
Value = AUDIO_IO_Read(DeviceAddr, CS43L22_CHIPID_ADDR);
|
||||
Value = (Value & CS43L22_ID_MASK);
|
||||
|
||||
return((uint32_t) Value);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Start the audio Codec play feature.
|
||||
* @note For this codec no Play options are required.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
|
||||
if(Is_cs43l22_Stop == 1)
|
||||
{
|
||||
/* Enable the digital soft ramp */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MISC_CTL, 0x06);
|
||||
|
||||
/* Enable Output device */
|
||||
counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
|
||||
|
||||
/* Power on the Codec */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x9E);
|
||||
Is_cs43l22_Stop = 0;
|
||||
}
|
||||
|
||||
/* Return communication control value */
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Pauses playing on the audio codec.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_Pause(uint16_t DeviceAddr)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
|
||||
/* Pause the audio file playing */
|
||||
/* Mute the output first */
|
||||
counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_ON);
|
||||
|
||||
/* Put the Codec in Power save mode */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x01);
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resumes playing on the audio codec.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_Resume(uint16_t DeviceAddr)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
volatile uint32_t index = 0x00;
|
||||
/* Resumes the audio file playing */
|
||||
/* Unmute the output first */
|
||||
counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
|
||||
|
||||
for(index = 0x00; index < 0xFF; index++);
|
||||
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, OutputDev);
|
||||
|
||||
/* Exit the Power save mode */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x9E);
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stops audio Codec playing. It powers down the codec.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @param CodecPdwnMode: selects the power down mode.
|
||||
* - CODEC_PDWN_HW: Physically power down the codec. When resuming from this
|
||||
* mode, the codec is set to default configuration
|
||||
* (user should re-Initialize the codec in order to
|
||||
* play again the audio stream).
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_Stop(uint16_t DeviceAddr, uint32_t CodecPdwnMode)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
|
||||
/* Mute the output first */
|
||||
counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_ON);
|
||||
|
||||
/* Disable the digital soft ramp */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MISC_CTL, 0x04);
|
||||
|
||||
/* Power down the DAC and the speaker (PMDAC and PMSPK bits)*/
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x9F);
|
||||
|
||||
Is_cs43l22_Stop = 1;
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Sets higher or lower the codec volume level.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @param Volume: a byte value from 0 to 255 (refer to codec registers
|
||||
* description for more details).
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_SetVolume(uint16_t DeviceAddr, uint8_t Volume)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
uint8_t convertedvol = VOLUME_CONVERT(Volume);
|
||||
|
||||
if(Volume > 0xE6)
|
||||
{
|
||||
/* Set the Master volume */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MASTER_A_VOL, convertedvol - 0xE7);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MASTER_B_VOL, convertedvol - 0xE7);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Set the Master volume */
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MASTER_A_VOL, convertedvol + 0x19);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MASTER_B_VOL, convertedvol + 0x19);
|
||||
}
|
||||
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Sets new frequency.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @param AudioFreq: Audio frequency used to play the audio stream.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Enables or disables the mute feature on the audio codec.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @param Cmd: AUDIO_MUTE_ON to enable the mute or AUDIO_MUTE_OFF to disable the
|
||||
* mute mode.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_SetMute(uint16_t DeviceAddr, uint32_t Cmd)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
|
||||
/* Set the Mute mode */
|
||||
if(Cmd == AUDIO_MUTE_ON)
|
||||
{
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0xFF);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_HEADPHONE_A_VOL, 0x01);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_HEADPHONE_B_VOL, 0x01);
|
||||
}
|
||||
else /* AUDIO_MUTE_OFF Disable the Mute */
|
||||
{
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_HEADPHONE_A_VOL, 0x00);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_HEADPHONE_B_VOL, 0x00);
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, OutputDev);
|
||||
}
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Switch dynamically (while audio file is played) the output target
|
||||
* (speaker or headphone).
|
||||
* @note This function modifies a global variable of the audio codec driver: OutputDev.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @param Output: specifies the audio output target: OUTPUT_DEVICE_SPEAKER,
|
||||
* OUTPUT_DEVICE_HEADPHONE, OUTPUT_DEVICE_BOTH or OUTPUT_DEVICE_AUTO
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_SetOutputMode(uint16_t DeviceAddr, uint8_t Output)
|
||||
{
|
||||
uint32_t counter = 0;
|
||||
|
||||
switch (Output)
|
||||
{
|
||||
case OUTPUT_DEVICE_SPEAKER:
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0xFA); /* SPK always ON & HP always OFF */
|
||||
OutputDev = 0xFA;
|
||||
break;
|
||||
|
||||
case OUTPUT_DEVICE_HEADPHONE:
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0xAF); /* SPK always OFF & HP always ON */
|
||||
OutputDev = 0xAF;
|
||||
break;
|
||||
|
||||
case OUTPUT_DEVICE_BOTH:
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0xAA); /* SPK always ON & HP always ON */
|
||||
OutputDev = 0xAA;
|
||||
break;
|
||||
|
||||
case OUTPUT_DEVICE_AUTO:
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0x05); /* Detect the HP or the SPK automatically */
|
||||
OutputDev = 0x05;
|
||||
break;
|
||||
|
||||
default:
|
||||
counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL2, 0x05); /* Detect the HP or the SPK automatically */
|
||||
OutputDev = 0x05;
|
||||
break;
|
||||
}
|
||||
return counter;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resets cs43l22 registers.
|
||||
* @param DeviceAddr: Device address on communication Bus.
|
||||
* @retval 0 if correct communication, else wrong communication
|
||||
*/
|
||||
uint32_t cs43l22_Reset(uint16_t DeviceAddr)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Writes/Read a single data.
|
||||
* @param Addr: I2C address
|
||||
* @param Reg: Reg address
|
||||
* @param Value: Data to be written
|
||||
* @retval None
|
||||
*/
|
||||
static uint8_t CODEC_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
|
||||
{
|
||||
uint32_t result = 0;
|
||||
|
||||
AUDIO_IO_Write(Addr, Reg, Value);
|
||||
|
||||
#ifdef VERIFY_WRITTENDATA
|
||||
/* Verify that the data has been correctly written */
|
||||
result = (AUDIO_IO_Read(Addr, Reg) == Value)? 0:1;
|
||||
#endif /* VERIFY_WRITTENDATA */
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
228
port/stm32-f4discovery-usb/bsp/cs43l22.h
Normal file
228
port/stm32-f4discovery-usb/bsp/cs43l22.h
Normal file
@ -0,0 +1,228 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file cs43l22.h
|
||||
* @author MCD Application Team
|
||||
* @version V2.0.2
|
||||
* @date 06-October-2015
|
||||
* @brief This file contains all the functions prototypes for the cs43l22.c driver.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __CS43L22_H
|
||||
#define __CS43L22_H
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "audio.h"
|
||||
|
||||
/** @addtogroup BSP
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup Component
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup CS43L22
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup CS43L22_Exported_Types
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup CS43L22_Exported_Constants
|
||||
* @{
|
||||
*/
|
||||
|
||||
/******************************************************************************/
|
||||
/*************************** Codec User defines ******************************/
|
||||
/******************************************************************************/
|
||||
/* Codec output DEVICE */
|
||||
#define OUTPUT_DEVICE_SPEAKER 1
|
||||
#define OUTPUT_DEVICE_HEADPHONE 2
|
||||
#define OUTPUT_DEVICE_BOTH 3
|
||||
#define OUTPUT_DEVICE_AUTO 4
|
||||
|
||||
/* Volume Levels values */
|
||||
#define DEFAULT_VOLMIN 0x00
|
||||
#define DEFAULT_VOLMAX 0xFF
|
||||
#define DEFAULT_VOLSTEP 0x04
|
||||
|
||||
#define AUDIO_PAUSE 0
|
||||
#define AUDIO_RESUME 1
|
||||
|
||||
/* Codec POWER DOWN modes */
|
||||
#define CODEC_PDWN_HW 1
|
||||
#define CODEC_PDWN_SW 2
|
||||
|
||||
/* MUTE commands */
|
||||
#define AUDIO_MUTE_ON 1
|
||||
#define AUDIO_MUTE_OFF 0
|
||||
|
||||
/* AUDIO FREQUENCY */
|
||||
#define AUDIO_FREQUENCY_192K ((uint32_t)192000)
|
||||
#define AUDIO_FREQUENCY_96K ((uint32_t)96000)
|
||||
#define AUDIO_FREQUENCY_48K ((uint32_t)48000)
|
||||
#define AUDIO_FREQUENCY_44K ((uint32_t)44100)
|
||||
#define AUDIO_FREQUENCY_32K ((uint32_t)32000)
|
||||
#define AUDIO_FREQUENCY_22K ((uint32_t)22050)
|
||||
#define AUDIO_FREQUENCY_16K ((uint32_t)16000)
|
||||
#define AUDIO_FREQUENCY_11K ((uint32_t)11025)
|
||||
#define AUDIO_FREQUENCY_8K ((uint32_t)8000)
|
||||
|
||||
/** CS43l22 Registers ***/
|
||||
#define CS43L22_REG_ID 0x01
|
||||
#define CS43L22_REG_POWER_CTL1 0x02
|
||||
#define CS43L22_REG_POWER_CTL2 0x04
|
||||
#define CS43L22_REG_CLOCKING_CTL 0x05
|
||||
#define CS43L22_REG_INTERFACE_CTL1 0x06
|
||||
#define CS43L22_REG_INTERFACE_CTL2 0x07
|
||||
#define CS43L22_REG_PASSTHR_A_SELECT 0x08
|
||||
#define CS43L22_REG_PASSTHR_B_SELECT 0x09
|
||||
#define CS43L22_REG_ANALOG_ZC_SR_SETT 0x0A
|
||||
#define CS43L22_REG_PASSTHR_GANG_CTL 0x0C
|
||||
#define CS43L22_REG_PLAYBACK_CTL1 0x0D
|
||||
#define CS43L22_REG_MISC_CTL 0x0E
|
||||
#define CS43L22_REG_PLAYBACK_CTL2 0x0F
|
||||
#define CS43L22_REG_PASSTHR_A_VOL 0x14
|
||||
#define CS43L22_REG_PASSTHR_B_VOL 0x15
|
||||
#define CS43L22_REG_PCMA_VOL 0x1A
|
||||
#define CS43L22_REG_PCMB_VOL 0x1B
|
||||
#define CS43L22_REG_BEEP_FREQ_ON_TIME 0x1C
|
||||
#define CS43L22_REG_BEEP_VOL_OFF_TIME 0x1D
|
||||
#define CS43L22_REG_BEEP_TONE_CFG 0x1E
|
||||
#define CS43L22_REG_TONE_CTL 0x1F
|
||||
#define CS43L22_REG_MASTER_A_VOL 0x20
|
||||
#define CS43L22_REG_MASTER_B_VOL 0x21
|
||||
#define CS43L22_REG_HEADPHONE_A_VOL 0x22
|
||||
#define CS43L22_REG_HEADPHONE_B_VOL 0x23
|
||||
#define CS43L22_REG_SPEAKER_A_VOL 0x24
|
||||
#define CS43L22_REG_SPEAKER_B_VOL 0x25
|
||||
#define CS43L22_REG_CH_MIXER_SWAP 0x26
|
||||
#define CS43L22_REG_LIMIT_CTL1 0x27
|
||||
#define CS43L22_REG_LIMIT_CTL2 0x28
|
||||
#define CS43L22_REG_LIMIT_ATTACK_RATE 0x29
|
||||
#define CS43L22_REG_OVF_CLK_STATUS 0x2E
|
||||
#define CS43L22_REG_BATT_COMPENSATION 0x2F
|
||||
#define CS43L22_REG_VP_BATTERY_LEVEL 0x30
|
||||
#define CS43L22_REG_SPEAKER_STATUS 0x31
|
||||
#define CS43L22_REG_TEMPMONITOR_CTL 0x32
|
||||
#define CS43L22_REG_THERMAL_FOLDBACK 0x33
|
||||
#define CS43L22_REG_CHARGE_PUMP_FREQ 0x34
|
||||
|
||||
/******************************************************************************/
|
||||
/****************************** REGISTER MAPPING ******************************/
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @brief CS43L22 ID
|
||||
*/
|
||||
#define CS43L22_ID 0xE0
|
||||
#define CS43L22_ID_MASK 0xF8
|
||||
/**
|
||||
* @brief Chip ID Register: Chip I.D. and Revision Register
|
||||
* Read only register
|
||||
* Default value: 0x01
|
||||
* [7:3] CHIPID[4:0]: I.D. code for the CS43L22.
|
||||
* Default value: 11100b
|
||||
* [2:0] REVID[2:0]: CS43L22 revision level.
|
||||
* Default value:
|
||||
* 000 - Rev A0
|
||||
* 001 - Rev A1
|
||||
* 010 - Rev B0
|
||||
* 011 - Rev B1
|
||||
*/
|
||||
#define CS43L22_CHIPID_ADDR 0x01
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup CS43L22_Exported_Macros
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup CS43L22_Exported_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
Audio Codec functions
|
||||
------------------------------------------------------------------------------*/
|
||||
/* High Layer codec functions */
|
||||
uint32_t cs43l22_Init(uint16_t DeviceAddr, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
|
||||
void cs43l22_DeInit(void);
|
||||
uint32_t cs43l22_ReadID(uint16_t DeviceAddr);
|
||||
uint32_t cs43l22_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size);
|
||||
uint32_t cs43l22_Pause(uint16_t DeviceAddr);
|
||||
uint32_t cs43l22_Resume(uint16_t DeviceAddr);
|
||||
uint32_t cs43l22_Stop(uint16_t DeviceAddr, uint32_t Cmd);
|
||||
uint32_t cs43l22_SetVolume(uint16_t DeviceAddr, uint8_t Volume);
|
||||
uint32_t cs43l22_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq);
|
||||
uint32_t cs43l22_SetMute(uint16_t DeviceAddr, uint32_t Cmd);
|
||||
uint32_t cs43l22_SetOutputMode(uint16_t DeviceAddr, uint8_t Output);
|
||||
uint32_t cs43l22_Reset(uint16_t DeviceAddr);
|
||||
|
||||
/* AUDIO IO functions */
|
||||
void AUDIO_IO_Init(void);
|
||||
void AUDIO_IO_DeInit(void);
|
||||
void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
|
||||
uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
|
||||
|
||||
/* Audio driver structure */
|
||||
extern AUDIO_DrvTypeDef cs43l22_drv;
|
||||
|
||||
#endif /* __CS43L22_H */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
703
port/stm32-f4discovery-usb/bsp/stm32f4_discovery.c
Normal file
703
port/stm32-f4discovery-usb/bsp/stm32f4_discovery.c
Normal file
@ -0,0 +1,703 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32f4_discovery.c
|
||||
* @author MCD Application Team
|
||||
* @version V2.1.2
|
||||
* @date 27-January-2017
|
||||
* @brief This file provides set of firmware functions to manage Leds and
|
||||
* push-button available on STM32F4-Discovery Kit from STMicroelectronics.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "stm32f4_discovery.h"
|
||||
|
||||
/** @defgroup BSP BSP
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY STM32F4 DISCOVERY
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL STM32F4 DISCOVERY LOW LEVEL
|
||||
* @brief This file provides set of firmware functions to manage Leds and push-button
|
||||
* available on STM32F4-Discovery Kit from STMicroelectronics.
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_TypesDefinitions STM32F4 DISCOVERY LOW LEVEL Private TypesDefinitions
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Defines STM32F4 DISCOVERY LOW LEVEL Private Defines
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief STM32F4 DISCO BSP Driver version number V2.1.2
|
||||
*/
|
||||
#define __STM32F4_DISCO_BSP_VERSION_MAIN (0x02) /*!< [31:24] main version */
|
||||
#define __STM32F4_DISCO_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */
|
||||
#define __STM32F4_DISCO_BSP_VERSION_SUB2 (0x02) /*!< [15:8] sub2 version */
|
||||
#define __STM32F4_DISCO_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
|
||||
#define __STM32F4_DISCO_BSP_VERSION ((__STM32F4_DISCO_BSP_VERSION_MAIN << 24)\
|
||||
|(__STM32F4_DISCO_BSP_VERSION_SUB1 << 16)\
|
||||
|(__STM32F4_DISCO_BSP_VERSION_SUB2 << 8 )\
|
||||
|(__STM32F4_DISCO_BSP_VERSION_RC))
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Macros STM32F4 DISCOVERY LOW LEVEL Private Macros
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Variables STM32F4 DISCOVERY LOW LEVEL Private Variables
|
||||
* @{
|
||||
*/
|
||||
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED4_GPIO_PORT,
|
||||
LED3_GPIO_PORT,
|
||||
LED5_GPIO_PORT,
|
||||
LED6_GPIO_PORT};
|
||||
const uint16_t GPIO_PIN[LEDn] = {LED4_PIN,
|
||||
LED3_PIN,
|
||||
LED5_PIN,
|
||||
LED6_PIN};
|
||||
|
||||
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT};
|
||||
const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN};
|
||||
const uint8_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn};
|
||||
|
||||
uint32_t I2cxTimeout = I2Cx_TIMEOUT_MAX; /*<! Value of Timeout when I2C communication fails */
|
||||
uint32_t SpixTimeout = SPIx_TIMEOUT_MAX; /*<! Value of Timeout when SPI communication fails */
|
||||
|
||||
static SPI_HandleTypeDef SpiHandle;
|
||||
static I2C_HandleTypeDef I2cHandle;
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes STM32F4 DISCOVERY LOW LEVEL Private FunctionPrototypes
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Functions STM32F4 DISCOVERY LOW LEVEL Private Functions
|
||||
* @{
|
||||
*/
|
||||
static void I2Cx_Init(void);
|
||||
static void I2Cx_WriteData(uint8_t Addr, uint8_t Reg, uint8_t Value);
|
||||
static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg);
|
||||
static void I2Cx_MspInit(void);
|
||||
static void I2Cx_Error(uint8_t Addr);
|
||||
|
||||
static void SPIx_Init(void);
|
||||
static void SPIx_MspInit(void);
|
||||
static uint8_t SPIx_WriteRead(uint8_t Byte);
|
||||
static void SPIx_Error(void);
|
||||
|
||||
/* Link functions for Accelerometer peripheral */
|
||||
void ACCELERO_IO_Init(void);
|
||||
void ACCELERO_IO_ITConfig(void);
|
||||
void ACCELERO_IO_Write(uint8_t *pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite);
|
||||
void ACCELERO_IO_Read(uint8_t *pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead);
|
||||
|
||||
/* Link functions for Audio peripheral */
|
||||
void AUDIO_IO_Init(void);
|
||||
void AUDIO_IO_DeInit(void);
|
||||
void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
|
||||
uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_LED_Functions STM32F4 DISCOVERY LOW LEVEL LED Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief This method returns the STM32F4 DISCO BSP Driver revision
|
||||
* @retval version : 0xXYZR (8bits for each decimal, R for RC)
|
||||
*/
|
||||
uint32_t BSP_GetVersion(void)
|
||||
{
|
||||
return __STM32F4_DISCO_BSP_VERSION;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Configures LED GPIO.
|
||||
* @param Led: Specifies the Led to be configured.
|
||||
* This parameter can be one of following parameters:
|
||||
* @arg LED4
|
||||
* @arg LED3
|
||||
* @arg LED5
|
||||
* @arg LED6
|
||||
*/
|
||||
void BSP_LED_Init(Led_TypeDef Led)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct;
|
||||
|
||||
/* Enable the GPIO_LED Clock */
|
||||
LEDx_GPIO_CLK_ENABLE(Led);
|
||||
|
||||
/* Configure the GPIO_LED pin */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN[Led];
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
||||
|
||||
HAL_GPIO_Init(GPIO_PORT[Led], &GPIO_InitStruct);
|
||||
|
||||
HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Turns selected LED On.
|
||||
* @param Led: Specifies the Led to be set on.
|
||||
* This parameter can be one of following parameters:
|
||||
* @arg LED4
|
||||
* @arg LED3
|
||||
* @arg LED5
|
||||
* @arg LED6
|
||||
*/
|
||||
void BSP_LED_On(Led_TypeDef Led)
|
||||
{
|
||||
HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Turns selected LED Off.
|
||||
* @param Led: Specifies the Led to be set off.
|
||||
* This parameter can be one of following parameters:
|
||||
* @arg LED4
|
||||
* @arg LED3
|
||||
* @arg LED5
|
||||
* @arg LED6
|
||||
*/
|
||||
void BSP_LED_Off(Led_TypeDef Led)
|
||||
{
|
||||
HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Toggles the selected LED.
|
||||
* @param Led: Specifies the Led to be toggled.
|
||||
* This parameter can be one of following parameters:
|
||||
* @arg LED4
|
||||
* @arg LED3
|
||||
* @arg LED5
|
||||
* @arg LED6
|
||||
*/
|
||||
void BSP_LED_Toggle(Led_TypeDef Led)
|
||||
{
|
||||
HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]);
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_BUTTON_Functions STM32F4 DISCOVERY LOW LEVEL BUTTON Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Configures Button GPIO and EXTI Line.
|
||||
* @param Button: Specifies the Button to be configured.
|
||||
* This parameter should be: BUTTON_KEY
|
||||
* @param Mode: Specifies Button mode.
|
||||
* This parameter can be one of following parameters:
|
||||
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
|
||||
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
|
||||
* generation capability
|
||||
*/
|
||||
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Mode)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct;
|
||||
|
||||
/* Enable the BUTTON Clock */
|
||||
BUTTONx_GPIO_CLK_ENABLE(Button);
|
||||
|
||||
if (Mode == BUTTON_MODE_GPIO)
|
||||
{
|
||||
/* Configure Button pin as input */
|
||||
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
||||
|
||||
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
|
||||
}
|
||||
|
||||
if (Mode == BUTTON_MODE_EXTI)
|
||||
{
|
||||
/* Configure Button pin as input with External interrupt */
|
||||
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
||||
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
|
||||
|
||||
/* Enable and set Button EXTI Interrupt to the lowest priority */
|
||||
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
|
||||
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Returns the selected Button state.
|
||||
* @param Button: Specifies the Button to be checked.
|
||||
* This parameter should be: BUTTON_KEY
|
||||
* @retval The Button GPIO pin value.
|
||||
*/
|
||||
uint32_t BSP_PB_GetState(Button_TypeDef Button)
|
||||
{
|
||||
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_BUS_Functions STM32F4 DISCOVERY LOW LEVEL BUS Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/*******************************************************************************
|
||||
BUS OPERATIONS
|
||||
*******************************************************************************/
|
||||
|
||||
/******************************* SPI Routines *********************************/
|
||||
|
||||
/**
|
||||
* @brief SPIx Bus initialization
|
||||
*/
|
||||
static void SPIx_Init(void)
|
||||
{
|
||||
if(HAL_SPI_GetState(&SpiHandle) == HAL_SPI_STATE_RESET)
|
||||
{
|
||||
/* SPI configuration -----------------------------------------------------*/
|
||||
SpiHandle.Instance = DISCOVERY_SPIx;
|
||||
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
|
||||
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
|
||||
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
|
||||
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
|
||||
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
|
||||
SpiHandle.Init.CRCPolynomial = 7;
|
||||
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
|
||||
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
||||
SpiHandle.Init.NSS = SPI_NSS_SOFT;
|
||||
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
|
||||
SpiHandle.Init.Mode = SPI_MODE_MASTER;
|
||||
|
||||
SPIx_MspInit();
|
||||
HAL_SPI_Init(&SpiHandle);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Sends a Byte through the SPI interface and return the Byte received
|
||||
* from the SPI bus.
|
||||
* @param Byte: Byte send.
|
||||
* @retval The received byte value
|
||||
*/
|
||||
static uint8_t SPIx_WriteRead(uint8_t Byte)
|
||||
{
|
||||
uint8_t receivedbyte = 0;
|
||||
|
||||
/* Send a Byte through the SPI peripheral */
|
||||
/* Read byte from the SPI bus */
|
||||
if(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*) &Byte, (uint8_t*) &receivedbyte, 1, SpixTimeout) != HAL_OK)
|
||||
{
|
||||
SPIx_Error();
|
||||
}
|
||||
|
||||
return receivedbyte;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief SPIx error treatment function.
|
||||
*/
|
||||
static void SPIx_Error(void)
|
||||
{
|
||||
/* De-initialize the SPI communication bus */
|
||||
HAL_SPI_DeInit(&SpiHandle);
|
||||
|
||||
/* Re-Initialize the SPI communication bus */
|
||||
SPIx_Init();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief SPI MSP Init.
|
||||
*/
|
||||
static void SPIx_MspInit(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
|
||||
/* Enable the SPI peripheral */
|
||||
DISCOVERY_SPIx_CLK_ENABLE();
|
||||
|
||||
/* Enable SCK, MOSI and MISO GPIO clocks */
|
||||
DISCOVERY_SPIx_GPIO_CLK_ENABLE();
|
||||
|
||||
/* SPI SCK, MOSI, MISO pin configuration */
|
||||
GPIO_InitStructure.Pin = (DISCOVERY_SPIx_SCK_PIN | DISCOVERY_SPIx_MISO_PIN | DISCOVERY_SPIx_MOSI_PIN);
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_PULLDOWN;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_MEDIUM;
|
||||
GPIO_InitStructure.Alternate = DISCOVERY_SPIx_AF;
|
||||
HAL_GPIO_Init(DISCOVERY_SPIx_GPIO_PORT, &GPIO_InitStructure);
|
||||
}
|
||||
|
||||
/******************************* I2C Routines**********************************/
|
||||
/**
|
||||
* @brief Configures I2C interface.
|
||||
*/
|
||||
static void I2Cx_Init(void)
|
||||
{
|
||||
if(HAL_I2C_GetState(&I2cHandle) == HAL_I2C_STATE_RESET)
|
||||
{
|
||||
/* DISCOVERY_I2Cx peripheral configuration */
|
||||
I2cHandle.Init.ClockSpeed = BSP_I2C_SPEED;
|
||||
I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2;
|
||||
I2cHandle.Init.OwnAddress1 = 0x33;
|
||||
I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
||||
I2cHandle.Instance = DISCOVERY_I2Cx;
|
||||
|
||||
/* Init the I2C */
|
||||
I2Cx_MspInit();
|
||||
HAL_I2C_Init(&I2cHandle);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Write a value in a register of the device through BUS.
|
||||
* @param Addr: Device address on BUS Bus.
|
||||
* @param Reg: The target register address to write
|
||||
* @param Value: The target register value to be written
|
||||
* @retval HAL status
|
||||
*/
|
||||
static void I2Cx_WriteData(uint8_t Addr, uint8_t Reg, uint8_t Value)
|
||||
{
|
||||
HAL_StatusTypeDef status = HAL_OK;
|
||||
|
||||
status = HAL_I2C_Mem_Write(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2cxTimeout);
|
||||
|
||||
/* Check the communication status */
|
||||
if(status != HAL_OK)
|
||||
{
|
||||
/* Execute user timeout callback */
|
||||
I2Cx_Error(Addr);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Read a register of the device through BUS
|
||||
* @param Addr: Device address on BUS
|
||||
* @param Reg: The target register address to read
|
||||
* @retval HAL status
|
||||
*/
|
||||
static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg)
|
||||
{
|
||||
HAL_StatusTypeDef status = HAL_OK;
|
||||
uint8_t value = 0;
|
||||
|
||||
status = HAL_I2C_Mem_Read(&I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &value, 1,I2cxTimeout);
|
||||
|
||||
/* Check the communication status */
|
||||
if(status != HAL_OK)
|
||||
{
|
||||
/* Execute user timeout callback */
|
||||
I2Cx_Error(Addr);
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Manages error callback by re-initializing I2C.
|
||||
* @param Addr: I2C Address
|
||||
*/
|
||||
static void I2Cx_Error(uint8_t Addr)
|
||||
{
|
||||
/* De-initialize the I2C communication bus */
|
||||
HAL_I2C_DeInit(&I2cHandle);
|
||||
|
||||
/* Re-Initialize the I2C communication bus */
|
||||
I2Cx_Init();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief I2C MSP Initialization
|
||||
*/
|
||||
static void I2Cx_MspInit(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct;
|
||||
|
||||
/* Enable I2C GPIO clocks */
|
||||
DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();
|
||||
|
||||
/* DISCOVERY_I2Cx SCL and SDA pins configuration ---------------------------*/
|
||||
GPIO_InitStruct.Pin = DISCOVERY_I2Cx_SCL_PIN | DISCOVERY_I2Cx_SDA_PIN;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Alternate = DISCOVERY_I2Cx_SCL_SDA_AF;
|
||||
HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &GPIO_InitStruct);
|
||||
|
||||
/* Enable the DISCOVERY_I2Cx peripheral clock */
|
||||
DISCOVERY_I2Cx_CLK_ENABLE();
|
||||
|
||||
/* Force the I2C peripheral clock reset */
|
||||
DISCOVERY_I2Cx_FORCE_RESET();
|
||||
|
||||
/* Release the I2C peripheral clock reset */
|
||||
DISCOVERY_I2Cx_RELEASE_RESET();
|
||||
|
||||
/* Enable and set I2Cx Interrupt to the highest priority */
|
||||
HAL_NVIC_SetPriority(DISCOVERY_I2Cx_EV_IRQn, 0, 0);
|
||||
HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_EV_IRQn);
|
||||
|
||||
/* Enable and set I2Cx Interrupt to the highest priority */
|
||||
HAL_NVIC_SetPriority(DISCOVERY_I2Cx_ER_IRQn, 0, 0);
|
||||
HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_ER_IRQn);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
LINK OPERATIONS
|
||||
*******************************************************************************/
|
||||
|
||||
/***************************** LINK ACCELEROMETER *****************************/
|
||||
|
||||
/**
|
||||
* @brief Configures the Accelerometer SPI interface.
|
||||
*/
|
||||
void ACCELERO_IO_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
|
||||
/* Configure the Accelerometer Control pins --------------------------------*/
|
||||
/* Enable CS GPIO clock and configure GPIO pin for Accelerometer Chip select */
|
||||
ACCELERO_CS_GPIO_CLK_ENABLE();
|
||||
|
||||
/* Configure GPIO PIN for LIS Chip select */
|
||||
GPIO_InitStructure.Pin = ACCELERO_CS_PIN;
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_MEDIUM;
|
||||
HAL_GPIO_Init(ACCELERO_CS_GPIO_PORT, &GPIO_InitStructure);
|
||||
|
||||
/* Deselect: Chip Select high */
|
||||
ACCELERO_CS_HIGH();
|
||||
|
||||
SPIx_Init();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Configures the Accelerometer INT2.
|
||||
* EXTI0 is already used by user button so INT1 is not configured here.
|
||||
*/
|
||||
void ACCELERO_IO_ITConfig(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
|
||||
/* Enable INT2 GPIO clock and configure GPIO PINs to detect Interrupts */
|
||||
ACCELERO_INT_GPIO_CLK_ENABLE();
|
||||
|
||||
/* Configure GPIO PINs to detect Interrupts */
|
||||
GPIO_InitStructure.Pin = ACCELERO_INT2_PIN;
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_IT_RISING;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
HAL_GPIO_Init(ACCELERO_INT_GPIO_PORT, &GPIO_InitStructure);
|
||||
|
||||
/* Enable and set Accelerometer INT2 to the lowest priority */
|
||||
HAL_NVIC_SetPriority((IRQn_Type)ACCELERO_INT2_EXTI_IRQn, 0x0F, 0);
|
||||
HAL_NVIC_EnableIRQ((IRQn_Type)ACCELERO_INT2_EXTI_IRQn);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Writes one byte to the Accelerometer.
|
||||
* @param pBuffer: pointer to the buffer containing the data to be written to the Accelerometer.
|
||||
* @param WriteAddr: Accelerometer's internal address to write to.
|
||||
* @param NumByteToWrite: Number of bytes to write.
|
||||
*/
|
||||
void ACCELERO_IO_Write(uint8_t *pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
|
||||
{
|
||||
/* Configure the MS bit:
|
||||
- When 0, the address will remain unchanged in multiple read/write commands.
|
||||
- When 1, the address will be auto incremented in multiple read/write commands.
|
||||
*/
|
||||
if(NumByteToWrite > 0x01)
|
||||
{
|
||||
WriteAddr |= (uint8_t)MULTIPLEBYTE_CMD;
|
||||
}
|
||||
/* Set chip select Low at the start of the transmission */
|
||||
ACCELERO_CS_LOW();
|
||||
|
||||
/* Send the Address of the indexed register */
|
||||
SPIx_WriteRead(WriteAddr);
|
||||
|
||||
/* Send the data that will be written into the device (MSB First) */
|
||||
while(NumByteToWrite >= 0x01)
|
||||
{
|
||||
SPIx_WriteRead(*pBuffer);
|
||||
NumByteToWrite--;
|
||||
pBuffer++;
|
||||
}
|
||||
|
||||
/* Set chip select High at the end of the transmission */
|
||||
ACCELERO_CS_HIGH();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Reads a block of data from the Accelerometer.
|
||||
* @param pBuffer: pointer to the buffer that receives the data read from the Accelerometer.
|
||||
* @param ReadAddr: Accelerometer's internal address to read from.
|
||||
* @param NumByteToRead: number of bytes to read from the Accelerometer.
|
||||
*/
|
||||
void ACCELERO_IO_Read(uint8_t *pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
|
||||
{
|
||||
if(NumByteToRead > 0x01)
|
||||
{
|
||||
ReadAddr |= (uint8_t)(READWRITE_CMD | MULTIPLEBYTE_CMD);
|
||||
}
|
||||
else
|
||||
{
|
||||
ReadAddr |= (uint8_t)READWRITE_CMD;
|
||||
}
|
||||
/* Set chip select Low at the start of the transmission */
|
||||
ACCELERO_CS_LOW();
|
||||
|
||||
/* Send the Address of the indexed register */
|
||||
SPIx_WriteRead(ReadAddr);
|
||||
|
||||
/* Receive the data that will be read from the device (MSB First) */
|
||||
while(NumByteToRead > 0x00)
|
||||
{
|
||||
/* Send dummy byte (0x00) to generate the SPI clock to ACCELEROMETER (Slave device) */
|
||||
*pBuffer = SPIx_WriteRead(DUMMY_BYTE);
|
||||
NumByteToRead--;
|
||||
pBuffer++;
|
||||
}
|
||||
|
||||
/* Set chip select High at the end of the transmission */
|
||||
ACCELERO_CS_HIGH();
|
||||
}
|
||||
|
||||
/********************************* LINK AUDIO *********************************/
|
||||
|
||||
/**
|
||||
* @brief Initializes Audio low level.
|
||||
*/
|
||||
void AUDIO_IO_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct;
|
||||
|
||||
/* Enable Reset GPIO Clock */
|
||||
AUDIO_RESET_GPIO_CLK_ENABLE();
|
||||
|
||||
/* Audio reset pin configuration */
|
||||
GPIO_InitStruct.Pin = AUDIO_RESET_PIN;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
HAL_GPIO_Init(AUDIO_RESET_GPIO, &GPIO_InitStruct);
|
||||
|
||||
I2Cx_Init();
|
||||
|
||||
/* Power Down the codec */
|
||||
HAL_GPIO_WritePin(AUDIO_RESET_GPIO, AUDIO_RESET_PIN, GPIO_PIN_RESET);
|
||||
|
||||
/* Wait for a delay to insure registers erasing */
|
||||
HAL_Delay(5);
|
||||
|
||||
/* Power on the codec */
|
||||
HAL_GPIO_WritePin(AUDIO_RESET_GPIO, AUDIO_RESET_PIN, GPIO_PIN_SET);
|
||||
|
||||
/* Wait for a delay to insure registers erasing */
|
||||
HAL_Delay(5);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief DeInitializes Audio low level.
|
||||
*/
|
||||
void AUDIO_IO_DeInit(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Writes a single data.
|
||||
* @param Addr: I2C address
|
||||
* @param Reg: Reg address
|
||||
* @param Value: Data to be written
|
||||
*/
|
||||
void AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
|
||||
{
|
||||
I2Cx_WriteData(Addr, Reg, Value);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Reads a single data.
|
||||
* @param Addr: I2C address
|
||||
* @param Reg: Reg address
|
||||
* @retval Data to be read
|
||||
*/
|
||||
uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg)
|
||||
{
|
||||
return I2Cx_ReadData(Addr, Reg);
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
303
port/stm32-f4discovery-usb/bsp/stm32f4_discovery.h
Normal file
303
port/stm32-f4discovery-usb/bsp/stm32f4_discovery.h
Normal file
@ -0,0 +1,303 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32f4_discovery.h
|
||||
* @author MCD Application Team
|
||||
* @version V2.1.2
|
||||
* @date 27-January-2017
|
||||
* @brief This file contains definitions for STM32F4-Discovery Kit's Leds and
|
||||
* push-button hardware resources.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __STM32F4_DISCOVERY_H
|
||||
#define __STM32F4_DISCOVERY_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "stm32f4xx_hal.h"
|
||||
|
||||
/** @addtogroup BSP
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4_DISCOVERY
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4_DISCOVERY_LOW_LEVEL
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Types STM32F4 DISCOVERY LOW LEVEL_Exported_Types
|
||||
* @{
|
||||
*/
|
||||
typedef enum
|
||||
{
|
||||
LED4 = 0,
|
||||
LED3 = 1,
|
||||
LED5 = 2,
|
||||
LED6 = 3
|
||||
} Led_TypeDef;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
BUTTON_KEY = 0,
|
||||
} Button_TypeDef;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
BUTTON_MODE_GPIO = 0,
|
||||
BUTTON_MODE_EXTI = 1
|
||||
} ButtonMode_TypeDef;
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Constants STM32F4 DISCOVERY LOW LEVEL Exported Constants
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Define for STM32F4_DISCOVERY board
|
||||
*/
|
||||
#if !defined (USE_STM32F4_DISCO)
|
||||
#define USE_STM32F4_DISCO
|
||||
#endif
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_LED STM32F4 DISCOVERY LOW LEVEL LED
|
||||
* @{
|
||||
*/
|
||||
#define LEDn 4
|
||||
|
||||
#define LED4_PIN GPIO_PIN_12
|
||||
#define LED4_GPIO_PORT GPIOD
|
||||
#define LED4_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
|
||||
#define LED4_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
|
||||
|
||||
#define LED3_PIN GPIO_PIN_13
|
||||
#define LED3_GPIO_PORT GPIOD
|
||||
#define LED3_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
|
||||
#define LED3_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
|
||||
|
||||
#define LED5_PIN GPIO_PIN_14
|
||||
#define LED5_GPIO_PORT GPIOD
|
||||
#define LED5_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
|
||||
#define LED5_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
|
||||
|
||||
#define LED6_PIN GPIO_PIN_15
|
||||
#define LED6_GPIO_PORT GPIOD
|
||||
#define LED6_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
|
||||
#define LED6_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
|
||||
|
||||
#define LEDx_GPIO_CLK_ENABLE(__INDEX__) do{if((__INDEX__) == 0) LED4_GPIO_CLK_ENABLE(); else \
|
||||
if((__INDEX__) == 1) LED3_GPIO_CLK_ENABLE(); else \
|
||||
if((__INDEX__) == 2) LED5_GPIO_CLK_ENABLE(); else \
|
||||
if((__INDEX__) == 3) LED6_GPIO_CLK_ENABLE(); \
|
||||
}while(0)
|
||||
|
||||
#define LEDx_GPIO_CLK_DISABLE(__INDEX__) do{if((__INDEX__) == 0) LED4_GPIO_CLK_DISABLE(); else \
|
||||
if((__INDEX__) == 1) LED3_GPIO_CLK_DISABLE(); else \
|
||||
if((__INDEX__) == 2) LED5_GPIO_CLK_DISABLE(); else \
|
||||
if((__INDEX__) == 3) LED6_GPIO_CLK_DISABLE(); \
|
||||
}while(0)
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_BUTTON STM32F4 DISCOVERY LOW LEVEL BUTTON
|
||||
* @{
|
||||
*/
|
||||
#define BUTTONn 1
|
||||
|
||||
/**
|
||||
* @brief Wakeup push-button
|
||||
*/
|
||||
#define KEY_BUTTON_PIN GPIO_PIN_0
|
||||
#define KEY_BUTTON_GPIO_PORT GPIOA
|
||||
#define KEY_BUTTON_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
||||
#define KEY_BUTTON_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
|
||||
#define KEY_BUTTON_EXTI_IRQn EXTI0_IRQn
|
||||
|
||||
#define BUTTONx_GPIO_CLK_ENABLE(__INDEX__) do{if((__INDEX__) == 0) KEY_BUTTON_GPIO_CLK_ENABLE(); \
|
||||
}while(0)
|
||||
|
||||
#define BUTTONx_GPIO_CLK_DISABLE(__INDEX__) do{if((__INDEX__) == 0) KEY_BUTTON_GPIO_CLK_DISABLE(); \
|
||||
}while(0)
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_BUS STM32F4 DISCOVERY LOW LEVEL BUS
|
||||
* @{
|
||||
*/
|
||||
|
||||
/*############################### SPI1 #######################################*/
|
||||
#define DISCOVERY_SPIx SPI1
|
||||
#define DISCOVERY_SPIx_CLK_ENABLE() __HAL_RCC_SPI1_CLK_ENABLE()
|
||||
#define DISCOVERY_SPIx_GPIO_PORT GPIOA /* GPIOA */
|
||||
#define DISCOVERY_SPIx_AF GPIO_AF5_SPI1
|
||||
#define DISCOVERY_SPIx_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
||||
#define DISCOVERY_SPIx_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
|
||||
#define DISCOVERY_SPIx_SCK_PIN GPIO_PIN_5 /* PA.05 */
|
||||
#define DISCOVERY_SPIx_MISO_PIN GPIO_PIN_6 /* PA.06 */
|
||||
#define DISCOVERY_SPIx_MOSI_PIN GPIO_PIN_7 /* PA.07 */
|
||||
|
||||
/* Maximum Timeout values for flags waiting loops. These timeouts are not based
|
||||
on accurate values, they just guarantee that the application will not remain
|
||||
stuck if the SPI communication is corrupted.
|
||||
You may modify these timeout values depending on CPU frequency and application
|
||||
conditions (interrupts routines ...). */
|
||||
#define SPIx_TIMEOUT_MAX 0x1000 /*<! The value of the maximal timeout for BUS waiting loops */
|
||||
|
||||
|
||||
/*############################# I2C1 #########################################*/
|
||||
/* I2C clock speed configuration (in Hz) */
|
||||
#ifndef BSP_I2C_SPEED
|
||||
#define BSP_I2C_SPEED 100000
|
||||
#endif /* BSP_I2C_SPEED */
|
||||
|
||||
/* I2C peripheral configuration defines (control interface of the audio codec) */
|
||||
#define DISCOVERY_I2Cx I2C1
|
||||
#define DISCOVERY_I2Cx_CLK_ENABLE() __HAL_RCC_I2C1_CLK_ENABLE()
|
||||
#define DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
|
||||
#define DISCOVERY_I2Cx_SCL_SDA_AF GPIO_AF4_I2C1
|
||||
#define DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT GPIOB
|
||||
#define DISCOVERY_I2Cx_SCL_PIN GPIO_PIN_6
|
||||
#define DISCOVERY_I2Cx_SDA_PIN GPIO_PIN_9
|
||||
|
||||
#define DISCOVERY_I2Cx_FORCE_RESET() __HAL_RCC_I2C1_FORCE_RESET()
|
||||
#define DISCOVERY_I2Cx_RELEASE_RESET() __HAL_RCC_I2C1_RELEASE_RESET()
|
||||
|
||||
/* I2C interrupt requests */
|
||||
#define DISCOVERY_I2Cx_EV_IRQn I2C1_EV_IRQn
|
||||
#define DISCOVERY_I2Cx_ER_IRQn I2C1_ER_IRQn
|
||||
|
||||
/* Maximum Timeout values for flags waiting loops. These timeouts are not based
|
||||
on accurate values, they just guarantee that the application will not remain
|
||||
stuck if the SPI communication is corrupted.
|
||||
You may modify these timeout values depending on CPU frequency and application
|
||||
conditions (interrupts routines ...). */
|
||||
#define I2Cx_TIMEOUT_MAX 0x1000 /*<! The value of the maximal timeout for BUS waiting loops */
|
||||
|
||||
|
||||
/*############################# ACCELEROMETER ################################*/
|
||||
/* Read/Write command */
|
||||
#define READWRITE_CMD ((uint8_t)0x80)
|
||||
/* Multiple byte read/write command */
|
||||
#define MULTIPLEBYTE_CMD ((uint8_t)0x40)
|
||||
/* Dummy Byte Send by the SPI Master device in order to generate the Clock to the Slave device */
|
||||
#define DUMMY_BYTE ((uint8_t)0x00)
|
||||
|
||||
/* Chip Select macro definition */
|
||||
#define ACCELERO_CS_LOW() HAL_GPIO_WritePin(ACCELERO_CS_GPIO_PORT, ACCELERO_CS_PIN, GPIO_PIN_RESET)
|
||||
#define ACCELERO_CS_HIGH() HAL_GPIO_WritePin(ACCELERO_CS_GPIO_PORT, ACCELERO_CS_PIN, GPIO_PIN_SET)
|
||||
|
||||
/**
|
||||
* @brief ACCELEROMETER Interface pins
|
||||
*/
|
||||
#define ACCELERO_CS_PIN GPIO_PIN_3 /* PE.03 */
|
||||
#define ACCELERO_CS_GPIO_PORT GPIOE /* GPIOE */
|
||||
#define ACCELERO_CS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
|
||||
#define ACCELERO_CS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
|
||||
#define ACCELERO_INT_GPIO_PORT GPIOE /* GPIOE */
|
||||
#define ACCELERO_INT_GPIO_CLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
|
||||
#define ACCELERO_INT_GPIO_CLK_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
|
||||
#define ACCELERO_INT1_PIN GPIO_PIN_0 /* PE.00 */
|
||||
#define ACCELERO_INT1_EXTI_IRQn EXTI0_IRQn
|
||||
#define ACCELERO_INT2_PIN GPIO_PIN_1 /* PE.01 */
|
||||
#define ACCELERO_INT2_EXTI_IRQn EXTI1_IRQn
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
/*############################### AUDIO ######################################*/
|
||||
/**
|
||||
* @brief AUDIO I2C Interface pins
|
||||
*/
|
||||
#define AUDIO_I2C_ADDRESS 0x94
|
||||
|
||||
/* Audio Reset Pin definition */
|
||||
#define AUDIO_RESET_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
|
||||
#define AUDIO_RESET_PIN GPIO_PIN_4
|
||||
#define AUDIO_RESET_GPIO GPIOD
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Macros STM32F4 DISCOVERY LOW LEVEL Exported Macros
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Functions STM32F4 DISCOVERY LOW LEVEL Exported Functions
|
||||
* @{
|
||||
*/
|
||||
uint32_t BSP_GetVersion(void);
|
||||
void BSP_LED_Init(Led_TypeDef Led);
|
||||
void BSP_LED_On(Led_TypeDef Led);
|
||||
void BSP_LED_Off(Led_TypeDef Led);
|
||||
void BSP_LED_Toggle(Led_TypeDef Led);
|
||||
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Mode);
|
||||
uint32_t BSP_PB_GetState(Button_TypeDef Button);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __STM32F4_DISCOVERY_H */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
1154
port/stm32-f4discovery-usb/bsp/stm32f4_discovery_audio.c
Normal file
1154
port/stm32-f4discovery-usb/bsp/stm32f4_discovery_audio.c
Normal file
File diff suppressed because it is too large
Load Diff
275
port/stm32-f4discovery-usb/bsp/stm32f4_discovery_audio.h
Normal file
275
port/stm32-f4discovery-usb/bsp/stm32f4_discovery_audio.h
Normal file
@ -0,0 +1,275 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32f4_discovery_audio.h
|
||||
* @author MCD Application Team
|
||||
* @version V2.1.2
|
||||
* @date 27-January-2017
|
||||
* @brief This file contains the common defines and functions prototypes for
|
||||
* stm32f4_discovery_audio.c driver.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __STM32F4_DISCOVERY_AUDIO_H
|
||||
#define __STM32F4_DISCOVERY_AUDIO_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
/* Include audio component Driver */
|
||||
#include "cs43l22.h"
|
||||
|
||||
#include "stm32f4_discovery.h"
|
||||
//#include "../../../Middlewares/ST/STM32_Audio/Addons/PDM/pdm_filter.h"
|
||||
|
||||
/** @addtogroup BSP
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4_DISCOVERY
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32F4_DISCOVERY_AUDIO
|
||||
* @{
|
||||
*/
|
||||
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_Exported_Types STM32F4 DISCOVERY AUDIO Exported Types
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_OUT_Exported_Constants STM32F4 DISCOVERY AUDIO OUT Exported Constants
|
||||
* @{
|
||||
*/
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
AUDIO OUT CONFIGURATION
|
||||
------------------------------------------------------------------------------*/
|
||||
|
||||
/* I2S peripheral configuration defines */
|
||||
#define I2S3 SPI3
|
||||
#define I2S3_CLK_ENABLE() __HAL_RCC_SPI3_CLK_ENABLE()
|
||||
#define I2S3_CLK_DISABLE() __HAL_RCC_SPI3_CLK_DISABLE()
|
||||
#define I2S3_SCK_SD_WS_AF GPIO_AF6_SPI3
|
||||
#define I2S3_SCK_SD_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
|
||||
#define I2S3_MCK_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
|
||||
#define I2S3_WS_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
||||
#define I2S3_WS_PIN GPIO_PIN_4
|
||||
#define I2S3_SCK_PIN GPIO_PIN_10
|
||||
#define I2S3_SD_PIN GPIO_PIN_12
|
||||
#define I2S3_MCK_PIN GPIO_PIN_7
|
||||
#define I2S3_SCK_SD_GPIO_PORT GPIOC
|
||||
#define I2S3_WS_GPIO_PORT GPIOA
|
||||
#define I2S3_MCK_GPIO_PORT GPIOC
|
||||
|
||||
/* I2S DMA Stream definitions */
|
||||
#define I2S3_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
|
||||
#define I2S3_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
|
||||
#define I2S3_DMAx_STREAM DMA1_Stream7
|
||||
#define I2S3_DMAx_CHANNEL DMA_CHANNEL_0
|
||||
#define I2S3_DMAx_IRQ DMA1_Stream7_IRQn
|
||||
#define I2S3_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
|
||||
#define I2S3_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
|
||||
#define DMA_MAX_SZE 0xFFFF
|
||||
|
||||
#define I2S3_IRQHandler DMA1_Stream7_IRQHandler
|
||||
|
||||
/* Select the interrupt preemption priority and subpriority for the DMA interrupt */
|
||||
#define AUDIO_OUT_IRQ_PREPRIO 0x0E /* Select the preemption priority level(0 is the highest) */
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
AUDIO IN CONFIGURATION
|
||||
------------------------------------------------------------------------------*/
|
||||
/* SPI Configuration defines */
|
||||
#define I2S2 SPI2
|
||||
#define I2S2_CLK_ENABLE() __HAL_RCC_SPI2_CLK_ENABLE()
|
||||
#define I2S2_CLK_DISABLE() __HAL_RCC_SPI2_CLK_DISABLE()
|
||||
#define I2S2_SCK_PIN GPIO_PIN_10
|
||||
#define I2S2_SCK_GPIO_PORT GPIOB
|
||||
#define I2S2_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
|
||||
#define I2S2_SCK_AF GPIO_AF5_SPI2
|
||||
|
||||
#define I2S2_MOSI_PIN GPIO_PIN_3
|
||||
#define I2S2_MOSI_GPIO_PORT GPIOC
|
||||
#define I2S2_MOSI_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
|
||||
#define I2S2_MOSI_AF GPIO_AF5_SPI2
|
||||
|
||||
/* I2S DMA Stream Rx definitions */
|
||||
#define I2S2_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
|
||||
#define I2S2_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
|
||||
#define I2S2_DMAx_STREAM DMA1_Stream3
|
||||
#define I2S2_DMAx_CHANNEL DMA_CHANNEL_0
|
||||
#define I2S2_DMAx_IRQ DMA1_Stream3_IRQn
|
||||
#define I2S2_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
|
||||
#define I2S2_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
|
||||
|
||||
#define I2S2_IRQHandler DMA1_Stream3_IRQHandler
|
||||
|
||||
/* Select the interrupt preemption priority and subpriority for the IT/DMA interrupt */
|
||||
#define AUDIO_IN_IRQ_PREPRIO 0x0F /* Select the preemption priority level(0 is the highest) */
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
CONFIGURATION: Audio Driver Configuration parameters
|
||||
------------------------------------------------------------------------------*/
|
||||
|
||||
#define AUDIODATA_SIZE 2 /* 16-bits audio data size */
|
||||
|
||||
/* Audio status definition */
|
||||
#define AUDIO_OK 0
|
||||
#define AUDIO_ERROR 1
|
||||
#define AUDIO_TIMEOUT 2
|
||||
|
||||
/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
|
||||
#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
|
||||
#define DEFAULT_AUDIO_IN_BIT_RESOLUTION 16
|
||||
#define DEFAULT_AUDIO_IN_CHANNEL_NBR 1 /* Mono = 1, Stereo = 2 */
|
||||
#define DEFAULT_AUDIO_IN_VOLUME 64
|
||||
|
||||
/* PDM buffer input size */
|
||||
#define INTERNAL_BUFF_SIZE 128*DEFAULT_AUDIO_IN_FREQ/16000*DEFAULT_AUDIO_IN_CHANNEL_NBR
|
||||
/* PCM buffer output size */
|
||||
#define PCM_OUT_SIZE DEFAULT_AUDIO_IN_FREQ/1000
|
||||
#define CHANNEL_DEMUX_MASK 0x55
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
OPTIONAL Configuration defines parameters
|
||||
------------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_Exported_Variables STM32F4 DISCOVERY AUDIO Exported Variables
|
||||
* @{
|
||||
*/
|
||||
extern __IO uint16_t AudioInVolume;
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_Exported_Macros STM32F4 DISCOVERY AUDIO Exported Macros
|
||||
* @{
|
||||
*/
|
||||
#define DMA_MAX(_X_) (((_X_) <= DMA_MAX_SZE)? (_X_):DMA_MAX_SZE)
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_OUT_Exported_Functions STM32F4 DISCOVERY AUDIO OUT Exported Functions
|
||||
* @{
|
||||
*/
|
||||
uint8_t BSP_AUDIO_OUT_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
|
||||
uint8_t BSP_AUDIO_OUT_Play(uint16_t* pBuffer, uint32_t Size);
|
||||
void BSP_AUDIO_OUT_ChangeBuffer(uint16_t *pData, uint16_t Size);
|
||||
uint8_t BSP_AUDIO_OUT_Pause(void);
|
||||
uint8_t BSP_AUDIO_OUT_Resume(void);
|
||||
uint8_t BSP_AUDIO_OUT_Stop(uint32_t Option);
|
||||
uint8_t BSP_AUDIO_OUT_SetVolume(uint8_t Volume);
|
||||
void BSP_AUDIO_OUT_SetFrequency(uint32_t AudioFreq);
|
||||
uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd);
|
||||
uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output);
|
||||
|
||||
/* User Callbacks: user has to implement these functions in his code if they are needed. */
|
||||
/* This function is called when the requested data has been completely transferred. */
|
||||
void BSP_AUDIO_OUT_TransferComplete_CallBack(void);
|
||||
|
||||
/* This function is called when half of the requested buffer has been transferred. */
|
||||
void BSP_AUDIO_OUT_HalfTransfer_CallBack(void);
|
||||
|
||||
/* This function is called when an Interrupt due to transfer error on or peripheral
|
||||
error occurs. */
|
||||
void BSP_AUDIO_OUT_Error_CallBack(void);
|
||||
|
||||
/* These function can be modified in case the current settings (e.g. DMA stream)
|
||||
need to be changed for specific application needs */
|
||||
void BSP_AUDIO_OUT_ClockConfig(I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params);
|
||||
void BSP_AUDIO_OUT_MspInit(I2S_HandleTypeDef *hi2s, void *Params);
|
||||
void BSP_AUDIO_OUT_MspDeInit(I2S_HandleTypeDef *hi2s, void *Params);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32F4_DISCOVERY_AUDIO_IN_Exported_Functions STM32F4 DISCOVERY AUDIO IN Exported Functions
|
||||
* @{
|
||||
*/
|
||||
uint8_t BSP_AUDIO_IN_Init(uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr);
|
||||
uint8_t BSP_AUDIO_IN_Record(uint16_t *pData, uint32_t Size);
|
||||
uint8_t BSP_AUDIO_IN_Stop(void);
|
||||
uint8_t BSP_AUDIO_IN_Pause(void);
|
||||
uint8_t BSP_AUDIO_IN_Resume(void);
|
||||
uint8_t BSP_AUDIO_IN_SetVolume(uint8_t Volume);
|
||||
uint8_t BSP_AUDIO_IN_PDMToPCM(uint16_t *PDMBuf, uint16_t *PCMBuf);
|
||||
/* User Callbacks: user has to implement these functions in his code if they are needed. */
|
||||
/* This function should be implemented by the user application.
|
||||
It is called into this driver when the current buffer is filled to prepare the next
|
||||
buffer pointer and its size. */
|
||||
void BSP_AUDIO_IN_TransferComplete_CallBack(void);
|
||||
void BSP_AUDIO_IN_HalfTransfer_CallBack(void);
|
||||
|
||||
/* This function is called when an Interrupt due to transfer error on or peripheral
|
||||
error occurs. */
|
||||
void BSP_AUDIO_IN_Error_Callback(void);
|
||||
|
||||
/* These function can be modified in case the current settings (e.g. DMA stream)
|
||||
need to be changed for specific application needs */
|
||||
void BSP_AUDIO_IN_ClockConfig(I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params);
|
||||
void BSP_AUDIO_IN_MspInit(I2S_HandleTypeDef *hi2s, void *Params);
|
||||
void BSP_AUDIO_IN_MspDeInit(I2S_HandleTypeDef *hi2s, void *Params);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __STM32F4_DISCOVERY_AUDIO_H */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
217
port/stm32-f4discovery-usb/pdm/Release_Notes.html
Executable file
217
port/stm32-f4discovery-usb/pdm/Release_Notes.html
Executable file
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|
||||
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|
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|
||||
|
||||
|
||||
|
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|
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|
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|
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|
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|
||||
|
||||
|
||||
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|
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|
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|
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|
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<link rel="Edit-Time-Data" href="Library_files/editdata.mso"><!--[if !mso]> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style> <![endif]--><title>Release Notes for PDM audio software decoding Library</title><!--[if gte mso 9]><xml> <o:DocumentProperties> <o:Author>STMicroelectronics</o:Author> <o:LastAuthor>STMicroelectronics</o:LastAuthor> <o:Revision>37</o:Revision> <o:TotalTime>136</o:TotalTime> <o:Created>2009-02-27T19:26:00Z</o:Created> <o:LastSaved>2009-03-01T17:56:00Z</o:LastSaved> <o:Pages>1</o:Pages> <o:Words>522</o:Words> <o:Characters>2977</o:Characters> <o:Company>STMicroelectronics</o:Company> <o:Lines>24</o:Lines> <o:Paragraphs>6</o:Paragraphs> <o:CharactersWithSpaces>3493</o:CharactersWithSpaces> <o:Version>11.6568</o:Version> </o:DocumentProperties> </xml><![endif]--><!--[if gte mso 9]><xml> <w:WordDocument> <w:Zoom>110</w:Zoom> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]-->
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
||||
<h1 style="margin-bottom: 18pt; text-align: center;" align="center"><span style="font-size: 20pt; font-family: Verdana; color: rgb(51, 102, 255);">Release
|
||||
Notes for PDM audio software decoding Library</span><span style="font-size: 20pt; font-family: Verdana;"><o:p></o:p></span></h1>
|
||||
<p class="MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;">Copyright
|
||||
2015 STMicroelectronics</span><span style="color: black;"><u1:p></u1:p><o:p></o:p></span></p>
|
||||
<p class="MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;"><img alt="" id="_x0000_i1025" src="_htmresc/st_logo.png" style="border: 0px solid ; width: 171px; height: 126px;"></span><span style="font-size: 10pt;"><o:p></o:p></span></p>
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
<p class="MsoNormal"><span style="font-family: Arial; display: none;"><o:p> </o:p></span></p>
|
||||
<table class="MsoNormalTable" style="width: 675pt;" border="0" cellpadding="0" width="900">
|
||||
<tbody>
|
||||
<tr style="">
|
||||
<td style="padding: 0cm;" valign="top"><br>
|
||||
<div style="margin-left: 40px;"><span style="font-size: 10pt; font-family: Verdana;">The <span style="font-weight: bold; font-style: italic;">PDM audio software decoding Library</span>
|
||||
is an optimized software implementation for PDM signal decoding and
|
||||
audio signal reconstruction when connecting an <span style="font-weight: bold; font-style: italic;">ST MEMS
|
||||
microphone</span> (</span><span style="font-size: 10pt; font-family: Verdana;">MP45Dxxx, MP34Dxxx)</span><span style="font-size: 10pt; font-family: Verdana;"> with an <span style="font-weight: bold; font-style: italic;">STM32 microcontroller</span>.
|
||||
It can directly take the Pulse Density Modulated (PDM) data output from
|
||||
the microphone and convert it to 16-bit pulse-code modulation (PCM)
|
||||
format.</span><br>
|
||||
<span style="font-size: 10pt; font-family: Verdana;">
|
||||
</span><br>
|
||||
<span style="font-size: 10pt; font-family: Verdana;">
|
||||
</span><span style="font-size: 10pt; font-family: Verdana;">This Library includes one header file <span style="font-style: italic;">pdm_filter.h</span> and binary/object codes running on all STM32 devices. The naming format is <span style="font-weight: bold;">libPDMFilter_<span style="font-style: italic;">CMx</span>_<span style="font-style: italic;">C</span>.a/.lib</span>, where:</span><br>
|
||||
<span style="font-size: 10pt; font-family: Verdana;"></span></div>
|
||||
<ul style="margin-top: 0cm; margin-left: 80px;" type="square">
|
||||
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">CMx: CortexMx core class (CM0, </span><span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;">CM3, CM4</span><span style="font-size: 10pt; font-family: Verdana;"> and CM7</span><span style="font-size: 10pt; font-family: Verdana;">)</span><span style="font-size: 10pt; font-family: Verdana;"></span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">C: compiler (IAR, Keil and GCC)</span><span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;"></span></li>
|
||||
</ul>
|
||||
<div style="margin-left: 40px;"><span style="font-size: 10pt; font-family: Verdana;">For more </span><span style="font-size: 10pt; font-family: Verdana;">information</span><span style="font-size: 10pt; font-family: Verdana;"> about this Library, please refer to the document <span style="font-weight: bold; font-style: italic;">"</span></span><span style="font-size: 10pt; font-family: Verdana; font-weight: bold; font-style: italic;">AN3998 </span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;">PDM audio software decoding on STM32 microcontrollers"</span> </span><span style="font-family: Verdana; font-size: 10pt;">available for download from STMicroelectronics website at <a href="http://www.st.com/internet/mcu/family/141.jsp" target="_blank">www.st.com</a>.</span></div>
|
||||
<ol style="margin-top: 0cm;" start="1" type="1">
|
||||
|
||||
|
||||
</ol>
|
||||
|
||||
<span style="font-family: "Times New Roman";">
|
||||
</span>
|
||||
<h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><a name="History"></a><span style="font-size: 12pt; color: white;">Update History</span></h2>
|
||||
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 200px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.1.0 / 31-March-2015<o:p></o:p></span></h3>
|
||||
|
||||
|
||||
|
||||
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
<ul style="list-style-type: square;">
|
||||
<li><span style="font-size: 10pt; font-family: Verdana;">Add Binaries for </span><span style="font-size: 10pt; font-family: Verdana;">CortexM7 (CM7) core<br>
|
||||
</span></li>
|
||||
<li><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">PDM_Filter_128_MSB()</span> and <span style="font-style: italic;">PDM_Filter_128_LSB()</span> functions: enhance volume setting, it was lower than expected</span></li>
|
||||
<li><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">PDM_Filter_64_MSB()</span> function: fix issue when using more than 2 microphones<span style="font-style: italic;"><br>
|
||||
</span></span></li>
|
||||
</ul>
|
||||
|
||||
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 200px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.1 / 17-December-2013<o:p></o:p></span></h3>
|
||||
|
||||
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
|
||||
|
||||
|
||||
<ul style="margin-top: 0cm;" type="square">
|
||||
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">In <span style="font-style: italic;">HTONS()</span> macro, change <span style="font-style: italic;">u16</span> type by <span style="font-style: italic;">uint16_t</span><br>
|
||||
</span></li>
|
||||
</ul>
|
||||
|
||||
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 200px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.0 / 07-August-2013<o:p></o:p></span></h3>
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
|
||||
<ul style="margin-top: 0cm;" type="square">
|
||||
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Update Library binary name format</span></li>
|
||||
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Add Library version optimized for </span><span style="font-size: 10pt; font-family: Verdana;">CM0, CM3 and CM4F cores<br>
|
||||
</span></li>
|
||||
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Add functions for decimation factor </span><span style="font-size: 10pt; font-family: Verdana;">128</span></li>
|
||||
</ul>
|
||||
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 167px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.2 / 17-April-2012<o:p></o:p></span></h3>
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">All source files: license disclaimer text update and add link to the License file on ST Internet.</span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 176px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.1 / 30-December-2011<o:p></o:p></span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">PDM Library moved from <span style="font-style: italic;">Utilities\STM32F4-Discovery</span> to <span style="font-style: italic;">Utilities\STM32_Audio\Addons\PDM</span> folder</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Add new license agreement <span style="font-style: italic;">"MCD-ST Image SW License Agreement V2.pdf"</span></span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 186px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.0 / 28-October-2011</span></h3>
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
|
||||
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">Add <span style="font-weight: bold; font-style: italic;">PDM audio software decoding Library</span><span style="font-weight: bold;"></span> drivers, used to decode and reconstruct the audio signal produced by MP45DT02 MEMS microphone from </span><span style="font-size: 10pt; font-family: Arial; color: black;">STMicroelectronics.</span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;"> </span><span style="font-weight: bold;"></span>For more details about this Library, please refer to document<span style="font-weight: bold; font-style: italic;"> "PDM audio software decoding on STM32 microcontrollers (AN3998)".</span></span><span style="font-size: 10pt; font-family: Verdana;"></span></li><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">stm32f4_discovery_audio_codec.c/.h: update to use DMA instead of Interrupt in I2S communication with the external codec.</span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 186px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 19-September-2011</span></h3>
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
|
||||
Changes<o:p></o:p></span></u></b></p>
|
||||
|
||||
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">First official version of the<span style="font-weight: bold; font-style: italic;"> STM32F4-Discovery Board Drivers</span></span></li></ul><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"></span><h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><a name="License"></a><span style="font-size: 12pt; color: white;">License<o:p></o:p></span></h2><p class="MsoNormal"><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;">Licensed under MCD-ST Image SW License Agreement V2, (the "License"); You may not use this </span><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;">package</span><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;"> except in compliance with the License. You may obtain a copy of the License at:<br><br></span></p><div style="text-align: center;"><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;"> <a target="_blank" href="http://www.st.com/software_license_agreement_image_v2"><span style="text-decoration: underline;">http://www.st.com/software_license_agreement_image_v2</span></a><a target="_blank" href="http://www.st.com/software_license_agreement_liberty_v2"></a></span><br><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;"></span></div><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;"><br>Unless
|
||||
required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS, <br>WITHOUT
|
||||
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
|
||||
the License for the specific language governing permissions and
|
||||
limitations under the License.</span><b><span style="font-size: 10pt; font-family: Verdana; color: black;"></span></b>
|
||||
|
||||
<div class="MsoNormal" style="text-align: center;" align="center"><span style="color: black;">
|
||||
<hr align="center" size="2" width="100%"></span></div>
|
||||
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt; text-align: center;" align="center"><span style="font-size: 10pt; font-family: "Verdana","sans-serif"; color: black;">For
|
||||
complete documentation on </span><span style="font-size: 10pt; font-family: "Verdana","sans-serif";">STM32<span style="color: black;">
|
||||
Microcontrollers visit </span><u><span style="color: blue;"><a href="http://www.st.com/internet/mcu/family/141.jsp" target="_blank">www.st.com/STM32</a></span></u></span><span style="font-size: 10pt; font-family: Verdana;"><a target="_blank" href="http://www.st.com/internet/mcu/family/141.jsp"><u><span style="color: blue;"></span></u></a></span><span style="font-size: 10pt; font-family: Verdana;"><u><span style="color: blue;"></span></u></span><span style="color: black;"><o:p></o:p></span></p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
<p class="MsoNormal"><span style="font-size: 10pt;"><o:p></o:p></span></p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
<p class="MsoNormal"><o:p> </o:p></p>
|
||||
</div>
|
||||
|
||||
</body></html>
|
||||
BIN
port/stm32-f4discovery-usb/pdm/libPDMFilter_CM4_GCC.a
Executable file
BIN
port/stm32-f4discovery-usb/pdm/libPDMFilter_CM4_GCC.a
Executable file
Binary file not shown.
76
port/stm32-f4discovery-usb/pdm/pdm_filter.h
Executable file
76
port/stm32-f4discovery-usb/pdm/pdm_filter.h
Executable file
@ -0,0 +1,76 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file pdm_filter.h
|
||||
* @author MCD Application Team
|
||||
* @version V2.1.0
|
||||
* @date 31-March-2015
|
||||
* @brief Header file for PDM audio software decoding Library.
|
||||
* This Library is used to decode and reconstruct the audio signal
|
||||
* produced by ST MEMS microphone (MP45Dxxx, MP34Dxxx).
|
||||
* For more details about this Library, please refer to document
|
||||
* "PDM audio software decoding on STM32 microcontrollers (AN3998)".
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© COPYRIGHT 2015 STMicroelectronics</center></h2>
|
||||
*
|
||||
* Licensed under MCD-ST Image SW License Agreement V2, (the "License");
|
||||
* You may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at:
|
||||
*
|
||||
* http://www.st.com/software_license_agreement_image_v2
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __PDM_FILTER_H
|
||||
#define __PDM_FILTER_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include <stdint.h>
|
||||
|
||||
|
||||
/* Exported types ------------------------------------------------------------*/
|
||||
typedef struct {
|
||||
uint16_t Fs;
|
||||
float LP_HZ;
|
||||
float HP_HZ;
|
||||
uint16_t In_MicChannels;
|
||||
uint16_t Out_MicChannels;
|
||||
char InternalFilter[34];
|
||||
} PDMFilter_InitStruct;
|
||||
|
||||
/* Exported constants --------------------------------------------------------*/
|
||||
/* Exported macros -----------------------------------------------------------*/
|
||||
#define HTONS(A) ((((uint16_t)(A) & 0xff00) >> 8) | \
|
||||
(((uint16_t)(A) & 0x00ff) << 8))
|
||||
|
||||
/* Exported functions ------------------------------------------------------- */
|
||||
void PDM_Filter_Init(PDMFilter_InitStruct * Filter);
|
||||
|
||||
int32_t PDM_Filter_64_MSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
int32_t PDM_Filter_80_MSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
int32_t PDM_Filter_128_MSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
int32_t PDM_Filter_64_LSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
int32_t PDM_Filter_80_LSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
int32_t PDM_Filter_128_LSB(uint8_t* data, uint16_t* dataOut, uint16_t MicGain, PDMFilter_InitStruct * Filter);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __PDM_FILTER_H */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
|
||||
333
port/stm32-f4discovery-usb/port/hal_audio_f4discovery.c
Normal file
333
port/stm32-f4discovery-usb/port/hal_audio_f4discovery.c
Normal file
@ -0,0 +1,333 @@
|
||||
/*
|
||||
* Copyright (C) 2017 BlueKitchen GmbH
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the copyright holders nor the names of
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* 4. Any redistribution, use, or modification is done solely for
|
||||
* personal benefit and not for any commercial purpose or for
|
||||
* monetary gain.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
|
||||
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
||||
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* Please inquire about commercial licensing options at
|
||||
* contact@bluekitchen-gmbh.com
|
||||
*
|
||||
*/
|
||||
|
||||
#define __BTSTACK_FILE__ "hal_audio_f4_discovery.c"
|
||||
|
||||
#include "hal_audio.h"
|
||||
#include "btstack_debug.h"
|
||||
#include "stm32f4_discovery_audio.h"
|
||||
|
||||
// output
|
||||
#define OUTPUT_BUFFER_NUM_SAMPLES 512
|
||||
#define NUM_OUTPUT_BUFFERS 2
|
||||
|
||||
// #define MEASURE_SAMPLE_RATE
|
||||
|
||||
static void (*audio_played_handler)(uint8_t buffer_index);
|
||||
static int playback_started;
|
||||
static uint32_t sink_sample_rate;
|
||||
|
||||
// our storage
|
||||
static int16_t output_buffer[NUM_OUTPUT_BUFFERS * OUTPUT_BUFFER_NUM_SAMPLES * 2]; // stereo
|
||||
|
||||
#ifdef MEASURE_SAMPLE_RATE
|
||||
static uint32_t stream_start_ms;
|
||||
static uint32_t stream_samples;
|
||||
#endif
|
||||
|
||||
// input - irq every 16 ms currently
|
||||
#define INPUT_BUFFER_NUM_SAMPLES 256
|
||||
|
||||
static int recording_started;
|
||||
static int32_t recording_sample_rate;
|
||||
|
||||
static void (*audio_recorded_callback)(const int16_t * buffer, uint16_t num_samples);
|
||||
|
||||
static int16_t input_buffer[INPUT_BUFFER_NUM_SAMPLES]; // single mono buffer
|
||||
static uint16_t pdm_buffer[INPUT_BUFFER_NUM_SAMPLES*8];
|
||||
|
||||
static uint32_t source_sample_rate;
|
||||
static int source_pcm_samples_per_ms;
|
||||
static int source_pdm_bytes_per_ms;
|
||||
static int source_pcm_samples_per_irq;
|
||||
static int source_pdm_samples_total;
|
||||
|
||||
void BSP_AUDIO_OUT_HalfTransfer_CallBack(void){
|
||||
|
||||
#ifdef MEASURE_SAMPLE_RATE
|
||||
if (stream_start_ms == 0){
|
||||
stream_start_ms = btstack_run_loop_get_time_ms();
|
||||
} else {
|
||||
stream_samples++;
|
||||
}
|
||||
#endif
|
||||
|
||||
(*audio_played_handler)(0);
|
||||
}
|
||||
|
||||
void BSP_AUDIO_OUT_TransferComplete_CallBack(void){
|
||||
|
||||
#ifdef MEASURE_SAMPLE_RATE
|
||||
if (stream_samples == 500){
|
||||
uint32_t now = btstack_run_loop_get_time_ms();
|
||||
uint32_t delta = now - stream_start_ms;
|
||||
log_info("Samples per second: %u", stream_samples * OUTPUT_BUFFER_NUM_SAMPLES * 1000 / delta);
|
||||
stream_start_ms = now;
|
||||
stream_samples = 0;
|
||||
}
|
||||
stream_samples++;
|
||||
#endif
|
||||
|
||||
(*audio_played_handler)(1);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Setup audio codec for specified samplerate and number channels
|
||||
* @param Channels
|
||||
* @param Sample rate
|
||||
* @param Buffer played callback
|
||||
* @param Buffer recorded callback (use NULL if no recording)
|
||||
*/
|
||||
void hal_audio_sink_init(uint8_t channels,
|
||||
uint32_t sample_rate,
|
||||
void (*buffer_played_callback) (uint8_t buffer_index)){
|
||||
|
||||
// F4 Discovery Audio BSP only supports stereo playback
|
||||
if (channels == 1){
|
||||
log_error("F4 Discovery Audio BSP only supports stereo playback. HFP/HSP demos using sco_demo_util, please #define ENABLE_SCO_STEREO_PLAYBACK");
|
||||
return;
|
||||
}
|
||||
|
||||
audio_played_handler = buffer_played_callback;
|
||||
sink_sample_rate = sample_rate;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get number of output buffers in HAL
|
||||
* @returns num buffers
|
||||
*/
|
||||
uint16_t hal_audio_sink_get_num_output_buffers(void){
|
||||
return NUM_OUTPUT_BUFFERS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get size of single output buffer in HAL
|
||||
* @returns buffer size
|
||||
*/
|
||||
uint16_t hal_audio_sink_get_num_output_buffer_samples(void){
|
||||
return OUTPUT_BUFFER_NUM_SAMPLES;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Reserve output buffer
|
||||
* @returns buffer
|
||||
*/
|
||||
int16_t * hal_audio_sink_get_output_buffer(uint8_t buffer_index){
|
||||
switch (buffer_index){
|
||||
case 0:
|
||||
return output_buffer;
|
||||
case 1:
|
||||
return &output_buffer[OUTPUT_BUFFER_NUM_SAMPLES * 2];
|
||||
default:
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Start stream
|
||||
*/
|
||||
void hal_audio_sink_start(void){
|
||||
playback_started = 1;
|
||||
|
||||
BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, 80, sink_sample_rate);
|
||||
|
||||
// BSP_AUDIO_OUT_Play gets number bytes -> 1 frame - 16 bit/stereo = 4 bytes
|
||||
BSP_AUDIO_OUT_Play( (uint16_t*) output_buffer, NUM_OUTPUT_BUFFERS * OUTPUT_BUFFER_NUM_SAMPLES * 4);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stop stream
|
||||
*/
|
||||
void hal_audio_sink_stop(void){
|
||||
playback_started = 0;
|
||||
BSP_AUDIO_OUT_Stop(CODEC_PDWN_HW);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Close audio codec
|
||||
*/
|
||||
void hal_audio_sink_close(void){
|
||||
if (playback_started){
|
||||
hal_audio_sink_stop();
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef SIMULATE_SINE
|
||||
|
||||
// temp sine simulator
|
||||
// input signal: pre-computed sine wave, 266 Hz at 16000 kHz
|
||||
static const int16_t sine_int16_at_16000hz[] = {
|
||||
0, 3135, 6237, 9270, 12202, 14999, 17633, 20073, 22294, 24270,
|
||||
25980, 27406, 28531, 29344, 29835, 30000, 29835, 29344, 28531, 27406,
|
||||
25980, 24270, 22294, 20073, 17633, 14999, 12202, 9270, 6237, 3135,
|
||||
0, -3135, -6237, -9270, -12202, -14999, -17633, -20073, -22294, -24270,
|
||||
-25980, -27406, -28531, -29344, -29835, -30000, -29835, -29344, -28531, -27406,
|
||||
-25980, -24270, -22294, -20073, -17633, -14999, -12202, -9270, -6237, -3135,
|
||||
};
|
||||
static unsigned int phase;
|
||||
|
||||
// 8 kHz samples in host endianess
|
||||
static void sco_demo_sine_wave_int16_at_8000_hz_host_endian(unsigned int num_samples, int16_t * data){
|
||||
unsigned int i;
|
||||
for (i=0; i < num_samples; i++){
|
||||
data[i] = sine_int16_at_16000hz[phase++];
|
||||
// ony use every second sample from 16khz table to get 8khz
|
||||
phase += 2;
|
||||
if (phase >= (sizeof(sine_int16_at_16000hz) / sizeof(int16_t))){
|
||||
phase = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// 16 kHz samples in host endianess
|
||||
static void sco_demo_sine_wave_int16_at_16000_hz_host_endian(unsigned int num_samples, int16_t * data){
|
||||
unsigned int i;
|
||||
for (i=0; i < num_samples; i++){
|
||||
data[i] = sine_int16_at_16000hz[phase++];
|
||||
if (phase >= (sizeof(sine_int16_at_16000hz) / sizeof(int16_t))){
|
||||
phase = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void generate_sine(void){
|
||||
if (recording_sample_rate == 8000){
|
||||
sco_demo_sine_wave_int16_at_8000_hz_host_endian(INPUT_BUFFER_NUM_SAMPLES, input_buffer);
|
||||
} else {
|
||||
sco_demo_sine_wave_int16_at_16000_hz_host_endian(INPUT_BUFFER_NUM_SAMPLES, input_buffer);
|
||||
}
|
||||
// notify
|
||||
(*audio_recorded_callback)(input_buffer, INPUT_BUFFER_NUM_SAMPLES);
|
||||
}
|
||||
#else
|
||||
|
||||
static void process_pdm(uint16_t * pdm_half_buffer){
|
||||
|
||||
int samples_needed = source_pcm_samples_per_irq;
|
||||
int16_t * pcm_buffer = input_buffer;
|
||||
|
||||
while (samples_needed){
|
||||
// TODO: use int16_t for pcm samples
|
||||
BSP_AUDIO_IN_PDMToPCM(pdm_half_buffer, (uint16_t *) pcm_buffer);
|
||||
pdm_half_buffer += source_pdm_bytes_per_ms / 2;
|
||||
pcm_buffer += source_pcm_samples_per_ms;
|
||||
samples_needed -= source_pcm_samples_per_ms;
|
||||
}
|
||||
|
||||
// notify
|
||||
(*audio_recorded_callback)(input_buffer, source_pcm_samples_per_irq);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
void BSP_AUDIO_IN_HalfTransfer_CallBack(void){
|
||||
#ifdef SIMULATE_SINE
|
||||
generate_sine();
|
||||
#else
|
||||
process_pdm(&pdm_buffer[0]);
|
||||
#endif
|
||||
}
|
||||
|
||||
void BSP_AUDIO_IN_TransferComplete_CallBack(void){
|
||||
#ifdef SIMULATE_SINE
|
||||
generate_sine();
|
||||
#else
|
||||
process_pdm(&pdm_buffer[source_pdm_samples_total/2]);
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Setup audio codec for recording using specified samplerate and number of channels
|
||||
* @param Channels
|
||||
* @param Sample rate
|
||||
* @param Buffer recorded callback
|
||||
*/
|
||||
void hal_audio_source_init(uint8_t channels,
|
||||
uint32_t sample_rate,
|
||||
void (*buffer_recorded_callback)(const int16_t * buffer, uint16_t num_samples)){
|
||||
|
||||
source_sample_rate = sample_rate;
|
||||
|
||||
// Driver only supports mono recording
|
||||
if (channels != 1){
|
||||
log_error("F4 Discovery only has single microphone, stereo recording not supported");
|
||||
return;
|
||||
}
|
||||
|
||||
int decimation = 64;
|
||||
|
||||
// size of input & output of PDM filter depend on output frequency and decimation
|
||||
source_pcm_samples_per_irq = sample_rate / 1000 * 16; // 256@16 kHz, 128@8 kHz
|
||||
|
||||
source_pcm_samples_per_ms = sample_rate / 1000;
|
||||
source_pdm_bytes_per_ms = source_pcm_samples_per_ms * decimation / 8;
|
||||
|
||||
source_pdm_samples_total = INPUT_BUFFER_NUM_SAMPLES * 8 * sample_rate / 16000;
|
||||
|
||||
log_info("Source: PDM bytes per ms %u, PDM samples total %u - PCM samples per ms %u", source_pdm_bytes_per_ms, source_pdm_samples_total, source_pcm_samples_per_ms);
|
||||
|
||||
audio_recorded_callback = buffer_recorded_callback;
|
||||
recording_sample_rate = sample_rate;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Start stream
|
||||
*/
|
||||
void hal_audio_source_start(void){
|
||||
BSP_AUDIO_IN_Init(source_sample_rate, 16, 1);
|
||||
BSP_AUDIO_IN_Record(pdm_buffer, source_pdm_samples_total);
|
||||
recording_started = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stop stream
|
||||
*/
|
||||
void hal_audio_source_stop(void){
|
||||
if (!recording_started) return;
|
||||
BSP_AUDIO_IN_Stop();
|
||||
recording_started = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Close audio codec
|
||||
*/
|
||||
void hal_audio_source_close(void){
|
||||
if (recording_started) {
|
||||
hal_audio_source_stop();
|
||||
}
|
||||
}
|
||||
@ -131,7 +131,7 @@ void port_main(void){
|
||||
btstack_run_loop_init(btstack_run_loop_embedded_get_instance());
|
||||
|
||||
// uncomment for packet log
|
||||
hci_dump_open( NULL, HCI_DUMP_STDOUT );
|
||||
// hci_dump_open( NULL, HCI_DUMP_STDOUT );
|
||||
|
||||
// init HCI
|
||||
hci_init(hci_transport_h2_stm32_instance(), NULL);
|
||||
@ -159,12 +159,10 @@ void port_main(void){
|
||||
// setup LE Device DB using TLV
|
||||
le_device_db_tlv_configure(btstack_tlv_impl, &btstack_tlv_flash_bank_context);
|
||||
|
||||
#if 0
|
||||
#ifdef HAVE_HAL_AUDIO
|
||||
// setup audio
|
||||
btstack_audio_sink_set_instance(btstack_audio_embedded_sink_get_instance());
|
||||
btstack_audio_source_set_instance(btstack_audio_embedded_source_get_instance());
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// inform about BTstack state
|
||||
|
||||
4
port/stm32-f4discovery-usb/port/port.h
Normal file
4
port/stm32-f4discovery-usb/port/port.h
Normal file
@ -0,0 +1,4 @@
|
||||
#ifndef __PORT_H
|
||||
#define __PORT_H
|
||||
void port_main(void);
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user